Improvement in revolving fire-arms



SAVAGE & NORTH.

Revolver. No. 28,331 Patented May. 15. .1860.

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ILPETEHS. FHOTOLITHOGRAPMEH. WASHINGTON. D C.

UNITED STATES PATENT OFFICE.

Enw. sAvAGE, on oEoMwELL, AND AssIG-Nons To sAVAGE nEVoLVt DLETO WN, CONNECTICUT.

E. s. NORTH, 0E MIDDLE'r'owN, NG FIRE ARMs GoMPANY, oE MID- Specification forming part of Letters Patent No. 28,331, dated May 15, 1860.

To all whom it may concern:

Be it known that we, EDWARD SAVAGE, of Cromwell, in the county of Middlesex and State of Connecticut, and HENRY SAVAGE NORTH, of Middletown, in the county ot' Middlesex and State of Connecticut, have invented certain new and useful Improvements in Revolving Fire- Arms; and we do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification, in which- Figure 1 isa central longitudinal section of arevolving pistol with onrimprovements. Fig. 2 is anunder side View of the barrel and rammer, exhibiting the latter partly in section. Fig. 3 is a transverse section of the rammen Fig. 4 is a back view of the many-chambered cylinder.

Similar letters of reference indicate corresponding parts in the several figures;

Our invention consists in a novel construction ofthe stationary pin on which the manychambered cylinder rotates and a novel mode of applying a spring, in combination with such pin and the many-chambered cylinder, for the purpose of forcing back t-he said cylinder from Contact with the I'ear of the barrel preparatory to itsrotary motion on the said pin.

It also consists in the employment, in combination with the regulating-screw, which constitutes part of the subject-matter of Letters Patent of the United States, dated June 17, 1856, granted to Henry S. North, of a thimble or bushing applied to the rotary recoil-shield, as hereinafter described, and serving the two purposes of a bearing for the rear end of the stationary pin on which the cylinder rotates and a bearingfor the head of a set-screw, which serves the purpose of securin g the said regulating-screw.

It also consists in the mode of applying the aforesaid set-screw, in combination with the said thimble or bushing and the regulatingscrew, as hereinafter specified; and it further consists in an improved mode of operating the rammer.

To enable those skilled in the art to make and use our invention, we will proceed to describe its construction and operation.

`A is the metal frame, which contains the rotatin g many-chambered cylinder C, the, recoilshield S, and the lock, and constitutes the principal portion of the stock, and into which is Secured the barrel B.

is the stationary pin uponwhich thecylinder axis-pim7 fitting tightly'into a hole provided for it in the front part of the frame A, and into the central thimble or bushing, E, of the recoil-shield S, which Vwill be prcsentlydescribed, and secured in its place by means of a transverse pin or screw,a, which passes transverselythrough theframeA. ThiscylinderaxispinY is made of uniform size for about half .its length, commencing at its head D', and the other portion smaller, but of uniform size, so as to form a shoulder, b, which occupies laposition some distance within the cylinder when in its place, as shown in Fig. 1. The cylinder is bored centrally from its frontend nearly all the way through of the full size of the larger portion of the pin D; but at the rear its bore is diminished to the size ofthe smaller portion ofthe said pin, so as to form a shoulder, c; or a similar shoulder may be formed .by boring the cylinder throughout of the larger size and inserting a tight bushing at its rear end to t the smaller portion of the pin. By constructing-the cylinder and pin each with a shoulder, as described, an annular cavity, c c, is formed between them for thereception ofa coiled spring, d, which encirclcs the smaller portion ot' the pin, and which, acting against the shoulder!) of the pin as a base, presses constantly against the shoulder c in the cylinder, and soforees back the latter away from the barrel, when it is permitted to do so by the toggle F or other contrivance that is employed for driving up the cylinder toward the barrel before tiring, and holding it in close contact therewith during the discharge.

The thimble E (see Fig. i) is driven or otherwise inserted very tightly into a central cavity provided to receive it in the front ot' the recoilshield. In the construction ofthe recoil-shield it is more convenient to have the female screwthread which receives the regulating-screw Cr may be placed on a screwed mandrel or arbor,

inder C rotates, which maybe termed the cylextend right through it, that the recoil-shield y to be thereon turned in a lathe; and afterthe 1) rit is caused by its action on the pin p to shield has been turned in this way we remove force the plunger back in the cavity h of the it from the mandrel or arbor and place it in a head D', which constitutes a guide to guide it chuck, and then turn out or counterbore the into the chambers as they are successively cavity for the steel thimble or bushing E, which brought opposite to the said cavity by turning must have an external diameter considerably the-cylinder. The slot,being0f such form eclarger than the regulating-screw G. The said centric to the fulcrum k as to produce the thimble or bushing is bored centrally to reabove operation, will of course be caused to ceive the rear end of thecylinder axis-pin D, operate upon the said pin 19 to draw forward to which it constitutes a bearing, and the bore the plunger from the chambers and out of the is continued to a greater depth than the saidV way of the cylinder by the return of the lever pin projects into it to make room for the head J to the position close to the barrel. (Repreof the set-screw f, which passes through a sented in Fig. l.)

smaller hole back of such boreand screws into Theabove voperation of the plunger, it will a tapped hole in the center of the regulatingbe understood, is effected within the head of screw. By screwing up the setscrew fso that the cylinder axis-pin.

its head bears rmly against the back of'the What we claim as'our invention, anddesire bore in Ithe thim'ble orbushing the regulatingyto secure by Letters Patent, fis- IscrewGr is hcld very tightly and preventedl 1. `Placing 'the coiled spring `which forces working out of Yits 'place by the repeated flrifn g backthe rotating cylinder away yfrom Athemuzof the piece. It is scarcely necessary testate z'les of the chargechamber and `covering it vthat before any'adjustment of theregulating with the s'houlderli of :the ycylinder axis-pin, screw-is made the screw f must be unscrewed so that its action cannot beeloggedbythe ac- -alittleway. We have represented-in Fig. l cumulation of smoke, iburned Apowder,-or dust another set-screw, g, screwed through a tapped from the --muzzleswhen fired, and alsoincreas- `hole in the journal of Ithe Vrecoil-shield and 'ing the'facility with which the rammereanbe bearing-upon the screw; but this A'is found in vput inand takenfouall as herein shown and Ypractice to be much less reliable 'than 1the setdescribed.

screw f, when both are used'separately, and is 2. The employment-,iincombination with the perhaps unnecessary when `the screwf'is-used. regulating-screwyr, of la--thim'blefor bushing, The rammeris attached tothe VThead Dof E, applieditofthe recoil-shield, to serve atzthe the cylinder axis-pin, which head is iformed 1same time as a'ilbearing for the rear end ofthe -witlh a-cylindrical cavity, h, running entirely cylinder axis-pin l`D,and afbearing for a fsetthrough it Vparallel with the axis-of 'the pin screw, f,b-y which to secure vthe regulating- -itself and-with the chambers n n of the cylinscrew, substantially as herein described.

` fder, and-whichhas a longitudinal -slot,',fabove 3. The set-screw f, applied -in combination and a similar slot, j,'belowthe said cavity, with the vthimblevor bushing Eef the recoilsaid slots rangingexactlywitheaeh other and shield and with the lregulating-screwv G, subyextending "from the 4extremity ot' the head stantiallylas and for 2the purpose herein denearly the whole length of it. The-plunger l scribed.

of the -rammer is yiittcd to slide vin thecylin- 4. The'combination,-withtheplungerfgitted -drical cavity-h, land the'lever j, by which the lto a guide inthe lieadlofthe cylinder axis-pin -said plunger is worked, is made with .a slotted ID, as described, of the lever J, fitted `to the cam-like lhead', which tits into the slots i j of slots z'andj of .the-saidheadand toaslotn, lthehead D and into ac0rrespondingslot, m, in the plunger, and-connectedrto the said-head inthe plunger, and which is attached to the by a fulcrum-pin, 7c, and fwith the 4plunger by said 'head D by a -ulcrum-pin, 7c, passing a cam-like slot,l, and=pin,19substantially as fthrough the rupper slot, fi. The cam-like slot l -herein specified.

of the said lever receives ya pin, which is in- .EDW SAVAGE serted through the slot m of the plunger, and HENRY s. NORTH.

which is tixed'relatively to theplunger. Ehe

Asaidslot l is of such form that by pulling down "Witnesses:

the lever from the-positionclose to the barrel fGLARK ELLIOTT, and inline with the pin D (represented in Fig. JONATHAN BARNES. 

